ClearAll["Global`*"];
NN=1;M=1;

m
=NN*(M+1);α=0.9;q=0.7;T=1;Unprotect[Power];Power[0|0.,0|0.]=1;Protect[Power];
g[x_]:=g[x]=x+
2
q+1
x
Gamma[q+2]
F[m_][x_]:=F[m][x]=
IntegerPart
m
2

∑
k=0
Binomial[m-k,k]*
m-2*k
x
f[n_,m_][x_]:=f[n,m][x]=PiecewiseF[m][NN*
α
x
-n+1],
1
α
n-1
NN
≤x<
1
α
n
NN
,0
θ1[x_]:=θ1[x]=FlattenTablePiecewiseF[m][NN*
α
x
-n+1],
1
α
n-1
NN
≤x<
1
α
n
NN
,0,{n,1,NN},{m,0,M}
U[n_,m_][β_,x_]:=U[n,m][β,x]=
IntegerPart
m
2

∑
k=0
m-2*k
∑
r=0
Binomial[m-k,k]*Binomial[m-2*k,r]*
r
NN
*
m-2*k-r
(1-n)
*
α*r+β
x
*
Gamma[α*r+1]
Gamma[β+α*r+1]
*1-BetaRegularized
1
α
n-1
NN
*
1
x
,α*r+1,β//Expand
V[n_,m_][β_,x_]:=V[n,m][β,x]=
IntegerPart
m
2

∑
k=0
m-2*k
∑
r=0
Binomial[m-k,k]*Binomial[m-2*k,r]*
r
NN
*
m-2*k-r
(1-n)
*
α*r+β
x
*
Gamma[α*r+1]
Gamma[β+α*r+1]
*1-BetaRegularized
1
α
n
NN
*
1
x
,α*r+1,β//Expand
θ1
[β_][x_]:=
θ1
[β][x]=FlattenTablePiecewise0.,-Infinity<x<
1
α
n-1
NN
,U[n,m][β,x],
1
α
n-1
NN
≤x<
1
α
n
NN
,U[n,m][β,x]-V[n,m][β,x],
1
α
n
NN
≤x<Infinity,{n,1,NN},{m,0,M}
A=Arrayc,

m

{c[1],c[2]}
subdivision=NTablex[l]=
1
q
l+1
2*

m
,l,0,

m
-1
{0.138011,0.371499}
eqn1[x_]=PiecewiseExpandA.θ1[x]+
2
A.
θ1
[q][x]
-g[x]
-0.419102(2.38605x+1.
3.4
x
)
x<0.
-0.419102(2.38605x+1.
3.4
x
-2.38605c[1]-2.89
1.4
x
2
c[1]
-2.38605
0.9
x
c[2]-3.53319
2.3
x
c[1]c[2]-1.07988
3.2
x
2
c[2]
)
0.≤x<1.
-0.4191022.38605x+1.
3.4
x
-2.89
1.4
x
2
c[1]
+5.78
0.7
1-
1.
x
1.4
x
2
c[1]
-2.89
1.4
1-
1.
x
1.4
x
2
c[1]
-3.53319
2.3
x
BetaRegularized
1.
x
,1.9,0.7c[1]c[2]+3.53319
0.7
1-
1.
x
2.3
x
BetaRegularized
1.
x
,1.9,0.7c[1]c[2]-1.07988
3.2
x
2
BetaRegularized
1.
x
,1.9,0.7
2
c[2]
True
eqn=Join[Map[eqn1,subdivision]]
{-0.419102(0.330493-2.38605c[1]-0.180625
2
c[1]
-0.401424c[2]-0.0371509c[1]c[2]-0.0019103
2
c[2]
),-0.419102(0.920919-2.38605c[1]-0.7225
2
c[1]
-0.978682c[2]-0.3623c[1]c[2]-0.045419
2
c[2]
)}
sol=FindRooteqn0,TransposeJoin[A],ConstantArray0,

m

{c[1]-0.024306,c[2]0.965247}
sol1[x_]=PiecewiseExpand[A.
θ1
[q][x]/.sol]
0.
x<0.
-0.0267499(1.
0.7
x
-24.2752
1.6
x
)
0.≤x<1.
0.0267499-1.
0.7
x
+1.
0.7
1-
1.
x
0.7
x
+24.2752
1.6
x
BetaRegularized
1.
x
,1.9,0.7
True
p1=ListPlot[Table[{x,sol1[x]},{x,0,T,0.1}],PlotRangeAll]
0.2
0.4
0.6
0.8
1.0
0.1
0.2
0.3
0.4
0.5
0.6
p2=Plot
q+1
x
Gamma[q+2]
,{x,0,1},PlotStyleRed
0.2
0.4
0.6
0.8
1.0
0.1
0.2
0.3
0.4
0.5
0.6
Show[p1,p2]
0.2
0.4
0.6
0.8
1.0
0.1
0.2
0.3
0.4
0.5
0.6